JingFuYuan Tech. Co. Ltd. (also known as. JFY) is a Chinese solar manufacturer established in 2003. The company specializes in the production and sale of solar systems, telecom power supplies, PV inverters, hybrid power systems and uninterruptible power supply (UPS) systems. JFY operates as a subsidiary of Emerson, a multinational company active in a diversified range of industries including commercial & residential solutions, businesses industrial automation and network power.